Looking out the window of a new 5 Guys restaurant on this corner was a perfect spot to view the last surviving run of Line Materials Unidoors and a Westinghouse OV-25 not far from where I live. These have always been HPS, but still, they are 40 years old. As they burn out, naturally they are being replaced by LEDs.
Not just the city...the whole county! The rule is if anything is wrong with a streetlight (lamp, ballast, broken lens or photocontrol), it is replaced with a LED fixture (except the PowerBracket area lights, which are fitted with a LED retrofit bulb; I'm not sure about floodlights, I think they are still being relamped w/ HPS). The utility company had been using exclusively standby HPS lamps so 10+ years of lamp life is not uncommon. So in the meantime, they are picking certain streets & neighborhoods to group-convert to LED. And the City of Seattle is over 50% LED now.
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